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P1477 Diagnostic Trouble Code Discussion for March 2004

Medium Fan Control Primary Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1477
Help Request Posted
1999 BMW 328i 2.8L MIL Lamp on VIN: WBAAM5331X
P1477: Tank Leakage Detection. ... and it gave me a tank leakage detected code (P1477) the problem has to do with the leak diagnosis pump, or the leak diagnosis pump module. I was wondering if there were any BMW techs out there with a test procedure for these two components. If so please re...
March 09, 2004